Why Proper Attic Venting Is Vital for Your Home in BC

When most homeowners think about attic upgrades, insulation usually comes to mind. But insulation alone isn’t enough — proper attic ventilation is just as essential. Without it, your home could be at risk of moisture damage, mold growth, and reduced energy efficiency.

At InsulationBC.com, we help BC homeowners across Coquitlam, Port Moody, Surrey, and the Lower Mainland strike the right balance between insulation and ventilation — protecting their investment from the inside out.

The Hidden Dangers of a Poorly Vented Attic

A poorly ventilated attic traps heat and moisture. In BC’s damp climate, that means condensation, mildew, and even rot in your roof deck — a costly repair that could’ve been prevented.

Without proper airflow, attic temperatures can skyrocket in summer, forcing your AC to work overtime. And in winter, poor ventilation can lead to ice damming, a nightmare for roofs and gutters alike.

Why Ventilation + Insulation = Maximum Performance

Proper attic ventilation allows air to circulate, carrying moisture out and balancing the temperature across your roofline. When paired with R50+ attic insulation, this combination gives your home:

Better energy efficiency

Longer roof life

Reduced risk of mold and rot

More consistent indoor comfort

Signs Your Attic May Need Venting Help

Condensation on windows or roof nails

Uneven temperatures between floors

Musty smells in your upper level

Ice buildup on the edge of your roof

Book a Free Attic Checkup Today

We offer free assessments to ensure your attic is properly insulated and ventilated — so you stay protected year-round.

Serving Coquitlam, Surrey, Port Moody & Greater Vancouver.

Book today at InsulationBC.com